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Show an alert to the users rate your app. But if they rate 3 stars or less, they only recive a "Thank you alert", however if they rate 4 o 5 stars, they will be redirected to the App Store.
FUNCTIONS: -Use "rateApp (self, nil)", in each view you want to count before alert is shown. -Use "showRateAlert ()" to show the alert whenever you want.